Power supply

  • What’s going on? Even the Google Pixel 9 comes without Qi2 charging

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    by Lorenz Keller

  • Forget Louis XIV, the solar panels in my garden make me the true Sun King

    Background information

    by Patrick Vogt

  • Fast charging and a stylish look – 4smarts charger put to the test

    Product test

    by Lorenz Keller

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